diff options
Diffstat (limited to 'drivers/media/platform/vsp1/vsp1_entity.c')
| -rw-r--r-- | drivers/media/platform/vsp1/vsp1_entity.c | 140 |
1 files changed, 130 insertions, 10 deletions
diff --git a/drivers/media/platform/vsp1/vsp1_entity.c b/drivers/media/platform/vsp1/vsp1_entity.c index 54de15095709..36a29e13109e 100644 --- a/drivers/media/platform/vsp1/vsp1_entity.c +++ b/drivers/media/platform/vsp1/vsp1_entity.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * vsp1_entity.c -- R-Car VSP1 Base Entity * * Copyright (C) 2013-2014 Renesas Electronics Corporation * * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/device.h> @@ -26,7 +22,7 @@ void vsp1_entity_route_setup(struct vsp1_entity *entity, struct vsp1_pipeline *pipe, - struct vsp1_dl_list *dl) + struct vsp1_dl_body *dlb) { struct vsp1_entity *source; u32 route; @@ -42,7 +38,7 @@ void vsp1_entity_route_setup(struct vsp1_entity *entity, smppt = (pipe->output->entity.index << VI6_DPR_SMPPT_TGW_SHIFT) | (source->route->output << VI6_DPR_SMPPT_PT_SHIFT); - vsp1_dl_list_write(dl, VI6_DPR_HGO_SMPPT, smppt); + vsp1_dl_body_write(dlb, VI6_DPR_HGO_SMPPT, smppt); return; } else if (entity->type == VSP1_ENTITY_HGT) { u32 smppt; @@ -55,7 +51,7 @@ void vsp1_entity_route_setup(struct vsp1_entity *entity, smppt = (pipe->output->entity.index << VI6_DPR_SMPPT_TGW_SHIFT) | (source->route->output << VI6_DPR_SMPPT_PT_SHIFT); - vsp1_dl_list_write(dl, VI6_DPR_HGT_SMPPT, smppt); + vsp1_dl_body_write(dlb, VI6_DPR_HGT_SMPPT, smppt); return; } @@ -70,7 +66,33 @@ void vsp1_entity_route_setup(struct vsp1_entity *entity, */ if (source->type == VSP1_ENTITY_BRS) route |= VI6_DPR_ROUTE_BRSSEL; - vsp1_dl_list_write(dl, source->route->reg, route); + vsp1_dl_body_write(dlb, source->route->reg, route); +} + +void vsp1_entity_configure_stream(struct vsp1_entity *entity, + struct vsp1_pipeline *pipe, + struct vsp1_dl_body *dlb) +{ + if (entity->ops->configure_stream) + entity->ops->configure_stream(entity, pipe, dlb); +} + +void vsp1_entity_configure_frame(struct vsp1_entity *entity, + struct vsp1_pipeline *pipe, + struct vsp1_dl_list *dl, + struct vsp1_dl_body *dlb) +{ + if (entity->ops->configure_frame) + entity->ops->configure_frame(entity, pipe, dl, dlb); +} + +void vsp1_entity_configure_partition(struct vsp1_entity *entity, + struct vsp1_pipeline *pipe, + struct vsp1_dl_list *dl, + struct vsp1_dl_body *dlb) +{ + if (entity->ops->configure_partition) + entity->ops->configure_partition(entity, pipe, dl, dlb); } /* ----------------------------------------------------------------------------- @@ -311,6 +333,97 @@ done: return ret; } +/* + * vsp1_subdev_set_pad_format - Subdev pad set_fmt handler + * @subdev: V4L2 subdevice + * @cfg: V4L2 subdev pad configuration + * @fmt: V4L2 subdev format + * @codes: Array of supported media bus codes + * @ncodes: Number of supported media bus codes + * @min_width: Minimum image width + * @min_height: Minimum image height + * @max_width: Maximum image width + * @max_height: Maximum image height + * + * This function implements the subdev set_fmt pad operation for entities that + * do not support scaling or cropping. It defaults to the first supplied media + * bus code if the requested code isn't supported, clamps the size to the + * supplied minimum and maximum, and propagates the sink pad format to the + * source pad. + */ +int vsp1_subdev_set_pad_format(struct v4l2_subdev *subdev, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *fmt, + const unsigned int *codes, unsigned int ncodes, + unsigned int min_width, unsigned int min_height, + unsigned int max_width, unsigned int max_height) +{ + struct vsp1_entity *entity = to_vsp1_entity(subdev); + struct v4l2_subdev_pad_config *config; + struct v4l2_mbus_framefmt *format; + struct v4l2_rect *selection; + unsigned int i; + int ret = 0; + + mutex_lock(&entity->lock); + + config = vsp1_entity_get_pad_config(entity, cfg, fmt->which); + if (!config) { + ret = -EINVAL; + goto done; + } + + format = vsp1_entity_get_pad_format(entity, config, fmt->pad); + + if (fmt->pad == entity->source_pad) { + /* The output format can't be modified. */ + fmt->format = *format; + goto done; + } + + /* + * Default to the first media bus code if the requested format is not + * supported. + */ + for (i = 0; i < ncodes; ++i) { + if (fmt->format.code == codes[i]) + break; + } + + format->code = i < ncodes ? codes[i] : codes[0]; + format->width = clamp_t(unsigned int, fmt->format.width, + min_width, max_width); + format->height = clamp_t(unsigned int, fmt->format.height, + min_height, max_height); + format->field = V4L2_FIELD_NONE; + format->colorspace = V4L2_COLORSPACE_SRGB; + + fmt->format = *format; + + /* Propagate the format to the source pad. */ + format = vsp1_entity_get_pad_format(entity, config, entity->source_pad); + *format = fmt->format; + + /* Reset the crop and compose rectangles */ + selection = vsp1_entity_get_pad_selection(entity, config, fmt->pad, + V4L2_SEL_TGT_CROP); + selection->left = 0; + selection->top = 0; + selection->width = format->width; + selection->height = format->height; + + selection = vsp1_entity_get_pad_selection(entity, config, fmt->pad, + V4L2_SEL_TGT_COMPOSE); + selection->left = 0; + selection->top = 0; + selection->width = format->width; + selection->height = format->height; + +done: + mutex_unlock(&entity->lock); + return ret; +} + /* ----------------------------------------------------------------------------- * Media Operations */ @@ -452,6 +565,10 @@ struct media_pad *vsp1_entity_remote_pad(struct media_pad *pad) { VSP1_ENTITY_UDS, idx, VI6_DPR_UDS_ROUTE(idx), \ { VI6_DPR_NODE_UDS(idx) }, VI6_DPR_NODE_UDS(idx) } +#define VSP1_ENTITY_ROUTE_UIF(idx) \ + { VSP1_ENTITY_UIF, idx, VI6_DPR_UIF_ROUTE(idx), \ + { VI6_DPR_NODE_UIF(idx) }, VI6_DPR_NODE_UIF(idx) } + #define VSP1_ENTITY_ROUTE_WPF(idx) \ { VSP1_ENTITY_WPF, idx, 0, \ { VI6_DPR_NODE_WPF(idx) }, VI6_DPR_NODE_WPF(idx) } @@ -480,6 +597,8 @@ static const struct vsp1_route vsp1_routes[] = { VSP1_ENTITY_ROUTE_UDS(0), VSP1_ENTITY_ROUTE_UDS(1), VSP1_ENTITY_ROUTE_UDS(2), + VSP1_ENTITY_ROUTE_UIF(0), /* Named UIF4 in the documentation */ + VSP1_ENTITY_ROUTE_UIF(1), /* Named UIF5 in the documentation */ VSP1_ENTITY_ROUTE_WPF(0), VSP1_ENTITY_ROUTE_WPF(1), VSP1_ENTITY_ROUTE_WPF(2), @@ -511,7 +630,8 @@ int vsp1_entity_init(struct vsp1_device *vsp1, struct vsp1_entity *entity, entity->source_pad = num_pads - 1; /* Allocate and initialize pads. */ - entity->pads = devm_kzalloc(vsp1->dev, num_pads * sizeof(*entity->pads), + entity->pads = devm_kcalloc(vsp1->dev, + num_pads, sizeof(*entity->pads), GFP_KERNEL); if (entity->pads == NULL) return -ENOMEM; |